PRTG Network Monitor (NS336906)
News From Paessler
Remember when we told you we're on our way to Barcelona? We gave our team a camera to ask happy customers for a short testimonial. A Paessler team would not be a Paessler team though if they did not use their camera for filming a tutorial during breaks.
Six years ago the IT landscape was quite different from what we are used to today. Six years ago? That doesn't seem like such a long time! Well, in technology it is. In this regard you could almost compare tech years to dog years. Let's think back to 2008: Apple has just released the first generation of its iPhone, virtualization was being made more approachable with VMware Workstation 6.5, and Windows 7 had not even reached its beta phase. From today's perspective it seems like another world and it's no surprise also PRTG Network Monitor has come a long way, since version 7 has been released in 2008.
After Heartbleed and Shellshock the next security vulnerability is eager to make 2014 one of the years for admins to remember. This one is called POODLE (Padding Oracle on Downloaded Legacy Encryption) and was found in SSL 3.0, an almost 18-year-old encryption technology that is only used in less than 1% of worldwide SSL traffic?but it's nonetheless still used on the server side to support old browsers like, for example, Internet Explorer 6.
Monitoring via Secure Shell (SSH) enables you to gather information not only from many Linux/Unix and Mac OS systems, but also from the host hardware of your virtualization solution. It is essential to keep a close eye on the host servers as they are the backbone of all your virtual machines. A failure or even unusual behavior could lead to unforeseeable damage and require hours of work that could easily have been prevented.
If you have read all previous articles of this blog series, you're already quite an expert on how to utilize the PRTG Mini Probe API for your monitoring needs. After providing you with the proof of concept for monitoring your Linux systems with the Python Mini Probe, we want to show you another area of application?a probe for monitoring Java applications using Java Management Extensions: the JMX Mini Probe.
Last week has been crazy at the Paessler office ? crazy empty. Everyone was on the road, all over the world. We had a team in New York, in London and in our hometown of Nuremberg. We are just dropping in for a second to tell you about these events because tomorrow we are gone again.
The best way to monitor the traffic in your network depends on several factors. If you are the responsible administrator for a high traffic network which is equipped with a lot of Cisco devices, NetFlow is the ideal monitoring option. In flow monitoring, the router gathers bandwidth usage data (flows), aggregates these flows, and sends UDP packets with flow information back to PRTG Network Monitor.
Just when you're glad the last security crisis has been averted, the next one seems to lurk right around the corner. Be it the infamous OpenSSL Heartbleed Bug, or other vulnerabilities that led to data theft and attacks on the IT infrastructure ? you have to be prepared. This week Ars Technica reported about yet another bug: The GNU Bourne Again Shell (Bash) is affected by a security vulnerability. The Bash command-line shell is used in many Linux, Unix, and also Mac operating systems.
The more Windows clients you are responsible for in your network, the more likely the chances that some of them fail the Windows update once in a while?even with a sound update concept. To identify systems which haven't been updated with the latest security patches and performance enhancements, PRTG Network Monitor provides a simple but effective method: the Windows Last Update sensor.
The "Sensor of the Week" articles are a neat way for you to discover new areas of applications for PRTG Network Monitor?even ones you might yet not have thought of. This time, even if you already know and use the QoS (Quality of Service) Round Trip sensor, we urge you to keep on reading as we present to you a great new way to monitor the quality of a network connection without using remote probes: the PRTG QoS Reflector (open source) for the QoS Round Trip sensor!
This fall technology enthusiasts meet in New York City to attend the Interop Conference & Expo. Also Paessler will be there to emerge themselves into this exciting world to get inspired and, more importantly, to inspire. Meet our team and find out how PRTG Network Monitor can help you keep your network running while obtaining all the data you need!
When it comes to monitoring Linux or Unix systems, PRTG Network Monitor offers various interesting possibilities: Use one of PRTG's sensors for Linux monitoring via SNMP (Simple Network Management Protocol), SSH (Secure Shell), or WBEM (Web-Based Enterprise Management). Especially the SSH Script sensor offers you real freedom in customizing your Linux monitoring: Just write a script which returns the desired data from your Linux system (for example, the validity of your SSL certificate used by an Apache instance, see screenshot below), and you can monitor all changes and detect issues before they become a problem.
In the last few years the tasks of system administrators have changed quite a lot. Today networks are more than their physical layout of servers, routers, and switches reveals. With virtualization and cloud applications also the task of maintaining the network has grown more complex. Whether you use VMware or Hyper-V for virtualization, monitoring your virtual environments, and especially the host servers, is an absolute necessity when it comes to gaining a comprehensive view of your entire network structure.
In this week's blog article we present to you a very powerful sensor, you might yet not have been using. It's time to change that! Find out how the Passive Application Performance sensor has the potential to add real value to the way you monitor the performance of your servers and web applications.
The upcoming Saturday, August 30, 2014, the Paessler shop servers will be on maintenance. The necessary downtime for this purpose will start at 8 a.m. CEST and take at least a couple of hours. During this time you will not be able to reach the Paessler shop, our service portal, or activation services. We are sorry in advance for any inconveniences. But don't worry, all services will be available again as soon as possible! If you run into issues with the activation of a PRTG license, or if you cannot order a new license over the weekend, we recommend you to wait until Monday when we have fully recovered our systems. ?
Thank you for using the PRTG Network Monitor
You are using the Freeware version of PRTG Network Monitor so you can already cover all aspects of state-of-the-art network monitoring: . This enables you to monitor uptime , traffic and bandwidth usage with only one tool. You can also create comprehensive reports with the integrated reporting and analysis features. This makes PRTG one clear and simple monitoring solution for your entire network.
The software runs 24/7 to monitor your network. All you need is a computer with a Windows operating system. PRTG includes everything that you need in one installater so you can start monitoring your network right away. The Software records bandwidth and network usage and stores the data in an integrated high-performance database. Add all the network devices which you want to monitor via an easy-to-use web-based user interface and configure sensors that retrieve the desired data. You can create usage reports and provide colleagues and customers access to data graphs and tables.
PRTG supports all common protocols to get network data: Simple Network Management Protocol (SNMP), Windows Management Instrumentation (WMI), Packet Sniffing, Cisco NetFlow as well as other vendor specific flow protocols, SSH, SOAP, and many other network protocols.
PRTG Network Monitor provides about 200 sensor types so you can start monitoring your standard systems directly after installation. These include monitoring Ping times, HTTP pages, SMTP, POP3, and IMAP mail servers, FTP servers, Linux systems, and many other hardware components and network services. You can easily monitor the performance of your network permanently to recognize imminent outages before they occur. In the case of an error, you will receive emails, SMS, or push messages immediately. PRTG constantly records performance data and downtimes in the database so you can compile reports about performance, downtimes, and SLAs at any time.